C111113331333132322331333133313331333133313121111331333132312313111   >>    C11111333133313232233133313331333133313331312111133133313231231311   <<    C111113331333132322331333133313331333133313121111331333132312313113   >>      C111113331333132322331333133313331333133313121111331333132312313112   >>